Question
PSLE
At first, a box contained 6 gold marbles and some green beads. After some gold marbles were added, 38 of the marbles were green. After 10 red marbles were added to the box and now, 313 of the beads were green. What was the number of gold marbles added?
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PSLE
At first, a box contained 6 gold marbles and some green beads. After some gold marbles were added, 38 of the marbles were green. After 10 red marbles were added to the box and now, 313 of the beads were green. What was the number of gold marbles added?